<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <script src="../vue.js"></script>
</head>

<body>
    <div id="app">
        <h1>{{msg}} </h1>
    </div>

    <script>
        //实例化Vue
        const vm = new Vue({
            el: '#app',
            data: {
                msg: 'Hello Vue',
                // isHot:true
            }
        })
        console.log(vm, 'vm');
        /* 
          在vue挂载之后,可以通过vm.$el获取到模板容器(真实dom)
        */
        console.log(vm.$el);
    </script>
</body>

</html>